A heavy duty and hard wearing spring clamp set, manufactured from resin infused plastic and using high sprung steel for a super strong clamping up to 15kg. Clamping force up to 15kg. Ergonomic handle – Anti-slip & comfort grip handle for better usability. Heavy duty gripper pads to prevent damage to the workpiece & maximise clamping area. Solid plastic – Body robust & hard wearing for long life.